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Puppis |
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Puppis [′pəp·əs] (astronomy) A southern constellation; right ascension 8 hours, declination 40° south. Also known as Stern. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Because the cloud, which lies in the southern constellation Puppis, extends some 20 arc-minutes across the sky, he chose large-formet photographic plates -- 25 centimeters to a side -- to make the images. In the case of the Puppis A supernova remnant, the unusual chemistry and apparent youth of a distinctive pattern of faint filaments near the remnant's center suggest a second supernova may have exploded within the original expanding shell of gas some 3,000 years later. |
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